HU9202844D0 - Satellite network and cellular radio telephone system - Google Patents

Satellite network and cellular radio telephone system

Info

Publication number
HU9202844D0
HU9202844D0 HU922844A HU284492A HU9202844D0 HU 9202844 D0 HU9202844 D0 HU 9202844D0 HU 922844 A HU922844 A HU 922844A HU 284492 A HU284492 A HU 284492A HU 9202844 D0 HU9202844 D0 HU 9202844D0
Authority
HU
Hungary
Prior art keywords
satellite
network
terrestrial
transmissions
subscriber
Prior art date
Application number
HU922844A
Other languages
Hungarian (hu)
Other versions
HUT63280A (en
Inventor
Thomas A Freeburg
Original Assignee
Motorola Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Motorola Inc filed Critical Motorola Inc
Publication of HU9202844D0 publication Critical patent/HU9202844D0/en
Publication of HUT63280A publication Critical patent/HUT63280A/en

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/14—Relay systems
    • H04B7/15—Active relay systems
    • H04B7/185—Space-based or airborne stations; Stations for satellite systems
    • H04B7/19—Earth-synchronous stations
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/14—Relay systems
    • H04B7/15—Active relay systems
    • H04B7/185—Space-based or airborne stations; Stations for satellite systems
    • H04B7/18521—Systems of inter linked satellites, i.e. inter satellite service
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/14—Relay systems
    • H04B7/15—Active relay systems
    • H04B7/185—Space-based or airborne stations; Stations for satellite systems
    • H04B7/1851—Systems using a satellite or space-based relay
    • H04B7/18513—Transmission in a satellite or space-based system
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/14—Relay systems
    • H04B7/15—Active relay systems
    • H04B7/185—Space-based or airborne stations; Stations for satellite systems
    • H04B7/1853—Satellite systems for providing telephony service to a mobile station, i.e. mobile satellite service
    • H04B7/18563—Arrangements for interconnecting multiple systems

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Astronomy & Astrophysics (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • General Physics & Mathematics (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Radio Relay Systems (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Telephone Function (AREA)

Abstract

There is provided a mechanism for networking satellite and terrestrial networks. It comprises: maintaining subscriber-received power levels of terrestrial network transmissions about one order of magnitude above co-channel satellite transmissions to overcome interference and maintaining subscriber transmissions to terrestrial networks at power levels about one order of magnitude of the below co-channel transmissions to satellite networks to avoid causing interference at the satellite. Such power level maintenance is provided by the network in communication with such subscriber. Moreover, a non-orbiting ("grounded") satellite cooperates as a switching node of both the satellite network and a terrestrial network to relay information between a terrestrial subscriber and the satellite radiotelephone network over a terrestrial network. The terrestrial network and the satellite network may communicate via either the inter-satellite spectrum or the terrestrial-to-satellite spectrum. <IMAGE>
HU922844A 1990-03-06 1991-03-01 Method and arrangement for connecting satellite cellular radio-telephone networks and ground radio-telephone networks into a common network HUT63280A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/488,912 US5327572A (en) 1990-03-06 1990-03-06 Networked satellite and terrestrial cellular radiotelephone systems

Publications (2)

Publication Number Publication Date
HU9202844D0 true HU9202844D0 (en) 1992-12-28
HUT63280A HUT63280A (en) 1993-07-28

Family

ID=23941633

Family Applications (1)

Application Number Title Priority Date Filing Date
HU922844A HUT63280A (en) 1990-03-06 1991-03-01 Method and arrangement for connecting satellite cellular radio-telephone networks and ground radio-telephone networks into a common network

Country Status (17)

Country Link
US (2) US5327572A (en)
EP (2) EP0712215A3 (en)
JP (1) JPH05505292A (en)
KR (1) KR960006141B1 (en)
AT (1) ATE169434T1 (en)
AU (3) AU639383B2 (en)
BR (1) BR9105964A (en)
CA (1) CA2073336A1 (en)
CS (1) CS58291A3 (en)
DE (1) DE69129938T2 (en)
ES (1) ES2119781T3 (en)
HU (1) HUT63280A (en)
IL (1) IL97380A (en)
MX (1) MX9401933A (en)
MY (1) MY129991A (en)
WO (1) WO1992000632A2 (en)
YU (1) YU48047B (en)

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US5394561A (en) 1995-02-28

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